Home / 14,345.40-21,517.92-3,957.06

Finding the Fourth Proportional to 14,345.40, 21,517.92 and 3,957.06

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Solution

The fourth proportional to 14,345.40, 21,517.92 and 3,957.06 is: 5,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.40 : 21,517.92 = 3,957.06 : x
  2. Step 2: Convert to fraction form
    14,345.40/21,517.92 = 3,957.06/x
  3. Step 3: Cross multiply
    14,345.40x = 21,517.92 × 3,957.06
  4. Step 4: Simplify right side
    14,345.40x = 85,147,700.52
  5. Step 5: Solve for x
    x = 85,147,700.52/14,345.40
  6. Step 6: Final answer
    x = 5,935.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.